Reasons that data sharing publication is important

Other fields have already demonstrated the benefits:
Astronomy, Genomics are examples

Improve the quality of publications, and of the data

Reduce the cost of research, and increase ROI

Reproducibility

"An article about a computational result is advertising, not scholarship. The actual scholarship is the full software environment code and data, that produced the result"
Buckheit and Donoho (1995)
see here